Composite layer
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United States of America Patent
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Jun 24, 2014
Grant Date -
Jan 10, 2013
app pub date -
Mar 8, 2011
filing date -
Mar 25, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Composite layer comprising a plurality of longitudinal first zones comprised of a first polymeric material alternating with a plurality of longitudinal second zones comprised of a second polymeric material such that one first zone is disposed between two adjacent second zones. The zones are generally parallel to one another, and at least one of each first zone or each second zone has a maximum width dimension of not greater than 2 mm. Adjacent first and second zones have an average pitch, wherein for the composite layer there is an average of said average pitches, and wherein the average pitch for any adjacent first and second zones is within 20 percent of the average pitch for adjacent first and second zones of said average of said average pitches.
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